People beginning cardiopulmonary resuscitation (CPR)training are often surprised that they can breathe enough oxygen into a victim,with the air from their lungs.The fact that you still have sufficient oxygen to benefit another person in emergencies indicates that our bodies do not access and use all molecules of oxygen we breathe in.

Question

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The statement accurately reflects the concept of how CPR can provide enough oxygen to a victim through the air breathed out by the rescuer, which suggests that our bodies do not use all of the oxygen we breathe in.

People Beginning Cardiopulmonary Resuscitation (CPR)training Are Often Surprised That They